TommaTech TT620-108TN12 Diamond Plus

620 WTOPConTopCon N-Type M12Glass-BacksheetTOPConN-Type108 cells

The TommaTech TT620-108TN12 Diamond Plus is a 620 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)

Peak Power (Pmax): : 620 W
Open-Circuit Voltage (Voc): : 40.9 V
Max Power Voltage (Vmpp): : 34.6 V
Short-Circuit Current (Isc): : 18.94 A
Max Power Current (Impp): : 17.92 A
Number of Cells: : 108

Temperature

Temp. Coefficient Voc: : -0.26 %/°C
Temp. Coefficient Isc: : 0.04 %/°C
Temp. Coefficient Pmax: : -0.3 %/°C
Max System Voltage: : 1500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Max Series Fuse: : 25 A
Power Tolerance: : +5%

Physical

Length: : 1965 mm
Width: : 1303 mm
Thickness: : 30 mm
Weight: : 28.5 kg

Datasheet

Download PDF1.4 MB

Other Models in This Series

Model	Power	Voc	Isc
	610 W	40.5 V	18.83 A
	615 W	40.7 V	18.89 A
TT620-108TN12 Diamond PlusCurrent

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